Revision is a sponsor of mine. They sent us a bunch of stuff to review and it is great stuff so far..
So I geuss it is only a matter of time until ejection sheilding comes in, good for one blast like russian anti tank protection.. a proctile is detected, on contact the shell will eject to counteract. The whole idea would be to launch a plate with enough energy to create equal and opposing force against the bullet. Reactive armour. That way it takes the concussion trauma away from the body and into the air.. now it is just a matter of inputing sensors and creating a projectile system that can launch plates a short distance .. TM.

patent pending
the other option is to include the liquid body armour concept and tie in the force pathways into the full body rather than just the head area so force is projected throughout the body instead of just the head area. Since the effectiveness of a bullet is in part caused by the small area of attack, spreading the forces much like an armour weave through vibrations throughout a liquid system Allows the force to be rebounded, through creation of a rebound wall and liquid elasicity of the effected liquid composite meaning I'm the rubber and there is no glue whatever you shoot bounced off me back towards you.
http://en.wikipedia.org/wiki/Mechanical_advantage
This is applying the concept that energy = work .. so if you create the energy there will be work performed based upon the force, through chennling you can either focus that force or dissipate it. Ideal armour will generate force from stored energy to focus opposing force, while also taking the incoming directed force aka bullet and diffuse the energy, by focusing latent force or potential energy to the strongest point of force you can further minimize impact away from the body. This is reactive armour in that it not only absorbs incoming force but it creates outgoing force, and it can also rechannel the force that was the incoming force through refocusing the incoming diffused force.
example
http://www.plosone.org/article/info:doi/10.1371/journal.pone.0039353
the key is to create angular movement of the force tangent so that it can be offset more than 90 degrees. ideal human body armour does not absorb force it redirects it away from the body in terms of projectile and shockwave, trauma channel.
Of course the reactive armour would be further enhanced by taking into account human body position to program the armour to create a channel that will effect a safe redirect to prevent secondary richochette contact.. and smart system will encorpotate battlefield awareness positioning to program reactive armour to direct to the least dangerous channel. The amount of force will also be able to be set to a specific number of likely outcomes based upon enemy arms and the characteristics of those arms.